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US 4,127,595 AGranted
Process for producing benzanthrone
AssigneeKawasaki Kasei Chemicals Ltd.
InventorsRyo Matsuura, Shuichi Nakatani, Kazuya Nagaoka, Kouji Kusabe, Mikio Kaseda
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Abstract
Benzanthrone is produced by reacting a hydroanthraquinone having 1,4-dihydro ring with acrolein or an acrolein precursor in the presence of a dehydration catalyst.
Claims10
A process for producing benzanthrone which comprises reacting a hydroanthraquinone having 1,4-dihydro ring with acrolein or an acrolein precursor in the presence of a dehydration catalyst.
Dependencies are inferred from the claim text.